W. T. Chen

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Hsin-Chu City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Decorative lighting string with filling air type
- Patent number 6,431,729
- Issue date Aug 13, 2002
- Willis Electric Co., Ltd.
- W. T. Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Apparatus and method for stopping the propagation of ignited flamma...
- Patent number 6,202,667
- Issue date Mar 20, 2001
- Taiwan Semiconductor Manufacturing Company, Ltd
- W. T. Chen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Foldable lantern frame
- Patent number 5,226,726
- Issue date Jul 13, 1993
- W. T. Chen
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Construction of the tube-shaped lighting equipment
- Publication number 20040212992
- Publication date Oct 28, 2004
- W. T. Chen
- F21 - LIGHTING
Information Patent Application
Tubular decoration light string
- Publication number 20020034074
- Publication date Mar 21, 2002
- W. T. Chen
- F21 - LIGHTING